Pharmacology General 2514ce1d All of the following are the actions of β–blockers in CHF except: A Decrease in mortality associated with CHF B Antagonism of vasoconstriction due to sympathetic overactivity C Prevention of pathological remodelling of ventricular myocardium D Prevention of dangerous cardiac arrhythmias High-Yield Explanation Beta blockers may actually increase vasoconstriction by antagonizing the vasodilator action of β2 receptors.